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Home >> Cadillac >> 1982 >> Seville 4.1L Eng VIN 4 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> DFI Control System >> Operation >> Closed Loop Fuel Control
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Closed Loop Fuel Control

Closed loop fuel control maintains an air/fuel ratio of 14.7:1. Oxygen sensor monitors oxygen content of exhaust gases, sends information to ECM. The ECM then corrects air/fuel mixture for deviations from ideal ratio.